package com.ysx.day20210925.ch06;

import java.util.HashMap;

public class Ch02 {

    public static void main(String[] args) {

        // zhouhaiyan 22
        // liweiwei   23

        // 限制 规范
        HashMap<String,Integer> map = new HashMap<String,Integer>();
        map.put("zhouhaiyan",22);
        map.put("liweiwei",23);
        //map.put("yinyongchao","二十四");
        map.put("yinyongchao",24);

        //13267128038这个手机号码是谁的?

        Object name = map.get("13267128038");
        System.out.println(name);


    }
}
